1·The article analyzes the harmfulness and reasons on over-temperature of heating surface in blowpipe, and proposes the effective measures.
分析了超临界锅炉吹管过程中受热面超温现象的危险性及原因，根据现场条件提出了有效的解决措施。
2·Pulverized coal burnout is slightly affected by oxygen because the space of blowpipe is small.
由于直吹管空间小，因而氧对煤粉燃烧率影响不大。
3·The concentration distributions in the distance about 2.5 times diameter of blowpipe from the exit of the lance tend to be uniform...
直吹管内气-固两相的掺混甚为剧烈，使得在氧煤枪出口前端轴向距离为2.5倍，直吹管直径的截面上气-固两相混合均匀。
4·Brass, wood brass and national blowpipe are all blowing instrument;
铜管、木管、民族吹管乐器均属气鸣乐器；